Sorting XML Category via attributes HELP!

Hello @ll.

I have problem with sorting categories via attributes:

my Xml file look like that:
<xml>
<data Default=“show all” >
<item client=“client Name” regie=“Mike” cat=“2007” />
<item client=“client Name” regie=“Mike” cat=“2005” />
<item client=“client Name” regie=“Mike” cat=“2006” />
<item client=“client Name” regie=“Mike” cat=“2007” />
<item client=“client Name” regie=“Mike” cat=“2007” />
</data>
</xml>

I know how to display all data from XML and Sort via Categories and create buttons from categories.

What I would like to do is display just one category when I press the button with category name.

Any suggestions please?

I can provide .Fla file if necessary!

Thanks!!